CVE-2026-91430

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-20 · updated 2026-10-23
Weakness: CWE-306

Description

Vulnerability in the Siebel Apps - Financial Services product of Oracle Siebel CRM (component: Financial Accounts). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Financial Services. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel Apps - Financial Services accessible data as well as unauthorized update, insert or delete access to some of Siebel Apps - Financial Services accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N).

Affected products

Oracle Corporation Siebel Apps - Financial Services: from 17.0 through 26.9

References

https://www.oracle.com/security-alerts/cpuoct2026.html

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